:root {
  --c-navy: #0f2a44;
  --c-navy-deep: #0a1d33;
  --c-navy-soft: #1a3a5c;
  --c-blue: #2d6db4;
  --c-blue-light: #4a90d6;
  --c-steel: #4a7ba7;
  --c-gold: #c8a96a;
  --c-gold-light: #e0c787;
  --c-bg: #ffffff;
  --c-bg-soft: #f7f5ef;
  --c-bg-cream: #fbf9f5;
  --c-text: #1a2536;
  --c-text-soft: #4a5564;
  --c-text-muted: #6b7585;
  --c-border: #e6e1d6;
  --c-border-soft: #efeae0;

  --font-serif: "Playfair Display", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;

  --shadow-sm: 0 2px 8px rgba(15, 42, 68, 0.06);
  --shadow: 0 8px 24px rgba(15, 42, 68, 0.08);
  --shadow-lg: 0 20px 48px rgba(15, 42, 68, 0.12);

  --header-h: 70px;
  --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-blue); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--c-navy); }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--c-gold);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 1000;
  background: var(--c-navy);
  color: #fff;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
}
.skip-link:focus { top: 16px; color: #fff; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== HEADER ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.site-header.scrolled {
  border-bottom-color: var(--c-border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
}
.brand-logo { height: 38px; width: auto; }
.brand:focus-visible { outline-offset: 6px; }

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px; height: 44px;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-navy);
  transition: transform 0.25s, opacity 0.2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.primary-nav {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0;
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  box-shadow: var(--shadow);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.primary-nav.open { max-height: 500px; }
.primary-nav ul {
  list-style: none;
  margin: 0;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
}
.primary-nav a {
  display: block;
  padding: 14px 8px;
  color: var(--c-text);
  font-weight: 500;
  border-bottom: 1px solid var(--c-border-soft);
}
.primary-nav li:last-child a { border-bottom: none; }
.primary-nav a:hover { color: var(--c-blue); }

@media (min-width: 900px) {
  .nav-toggle { display: none; }
  .primary-nav {
    position: static;
    max-height: none;
    overflow: visible;
    background: transparent;
    border: none;
    box-shadow: none;
  }
  .primary-nav ul {
    flex-direction: row;
    gap: 4px;
    padding: 0;
  }
  .primary-nav a {
    padding: 8px 14px;
    border: none;
    font-size: 15px;
    border-radius: var(--radius-sm);
  }
  .primary-nav a:hover { background: var(--c-bg-soft); }
}

/* ========== HERO ========== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: calc(var(--header-h) + 40px) 0 80px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: var(--c-navy-deep);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(74, 144, 214, 0.25), transparent 55%),
    radial-gradient(ellipse at 80% 70%, rgba(200, 169, 106, 0.18), transparent 60%),
    linear-gradient(135deg, #0a1d33 0%, #0f2a44 50%, #1a3a5c 100%);
}
.hero-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 75%);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='600' height='600' viewBox='0 0 600 600'><g fill='none' stroke='%234a90d6' stroke-width='1' stroke-opacity='0.15'><circle cx='100' cy='150' r='4'/><circle cx='300' cy='100' r='4'/><circle cx='500' cy='200' r='4'/><circle cx='200' cy='350' r='4'/><circle cx='450' cy='400' r='4'/><circle cx='150' cy='500' r='4'/><circle cx='350' cy='500' r='4'/><line x1='100' y1='150' x2='300' y2='100'/><line x1='300' y1='100' x2='500' y2='200'/><line x1='100' y1='150' x2='200' y2='350'/><line x1='200' y1='350' x2='450' y2='400'/><line x1='450' y1='400' x2='500' y2='200'/><line x1='200' y1='350' x2='150' y2='500'/><line x1='150' y1='500' x2='350' y2='500'/><line x1='350' y1='500' x2='450' y2='400'/></g></svg>");
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  opacity: 0.5;
}
.hero-inner {
  position: relative;
  z-index: 1;
}
.hero-mark {
  display: inline-flex;
  align-items: center;
  gap: clamp(14px, 3vw, 32px);
  flex-wrap: wrap;
  animation: emblemFade 0.9s ease both;
}
.hero-mark-logo {
  height: clamp(54px, 11vw, 110px);
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.97;
}
.hero-mark-edition {
  font-family: var(--font-serif);
  font-size: clamp(54px, 12vw, 130px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -2px;
  background: linear-gradient(135deg, #fff 0%, #c8a96a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
@keyframes emblemFade {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 8px 16px;
  border: 1px solid rgba(200, 169, 106, 0.5);
  border-radius: 100px;
  color: var(--c-gold-light);
  margin-bottom: 28px;
}
.hero-title {
  margin: 0 0 32px;
  font-family: var(--font-serif);
  font-weight: 800;
  line-height: 1.05;
}
.hero-title-sub {
  display: block;
  font-size: clamp(18px, 4vw, 32px);
  font-weight: 500;
  font-style: italic;
  color: rgba(255,255,255,0.92);
  margin-top: 8px;
  font-family: var(--font-serif);
}
.hero-meta {
  display: grid;
  gap: 14px;
  margin-bottom: 36px;
  max-width: 760px;
}
@media (min-width: 700px) {
  .hero-meta { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1024px) {
  .hero-meta {
    grid-template-columns: 1fr 1fr 1fr 1.25fr;
    max-width: 1140px;
    gap: 12px;
  }
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  min-width: 0;
}
.hero-meta-item > div { min-width: 0; }
.hero-meta-item span {
  word-wrap: break-word;
  overflow-wrap: break-word;
}
.hero-meta-item svg {
  width: 24px; height: 24px;
  flex-shrink: 0;
  color: var(--c-gold);
}
.hero-meta-item strong {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
}
.hero-meta-item span {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}

.countdown {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(200, 169, 106, 0.4);
  border-radius: var(--radius);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.countdown-caption {
  display: block;
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--c-gold-light);
  font-weight: 600;
}
.countdown-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}
.countdown-item {
  text-align: center;
  padding: 4px 0;
}
.cd-num {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 700;
  color: #fff;
  line-height: 1;
  letter-spacing: -1px;
}
.cd-label {
  display: block;
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
  margin-top: 4px;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.3px;
  border-radius: 100px;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--c-gold);
  color: var(--c-navy-deep);
  box-shadow: 0 6px 20px rgba(200, 169, 106, 0.35);
}
.btn-primary:hover {
  background: var(--c-gold-light);
  color: var(--c-navy-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(200, 169, 106, 0.45);
}
.btn-ghost {
  border-color: rgba(255,255,255,0.3);
  color: #fff;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--c-gold);
  color: #fff;
}

.scroll-indicator {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255,255,255,0.4);
  border-radius: 12px;
  display: none;
}
.scroll-indicator span {
  display: block;
  width: 4px;
  height: 8px;
  background: var(--c-gold);
  border-radius: 2px;
  margin: 6px auto 0;
  animation: scroll-bounce 1.8s infinite;
}
@keyframes scroll-bounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.3; }
}
@media (min-width: 768px) {
  .scroll-indicator { display: block; }
}

/* ========== SECTIONS ========== */
.section {
  padding: 80px 0;
}
@media (min-width: 768px) {
  .section { padding: 120px 0; }
}

.section-head {
  text-align: center;
  margin-bottom: 56px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}
.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--c-blue);
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--c-navy);
  margin: 0 0 16px;
  letter-spacing: -0.5px;
}
.section-title em {
  font-style: italic;
  color: var(--c-blue);
  font-weight: 500;
}
.section-lead {
  font-size: 17px;
  color: var(--c-text-soft);
  max-width: 640px;
  margin: 0 auto;
}

/* ========== ABOUT ========== */
.section-about { background: var(--c-bg); }
.about-grid {
  display: grid;
  gap: 48px;
}
@media (min-width: 900px) {
  .about-grid { grid-template-columns: 1.3fr 1fr; gap: 64px; align-items: start; }
}
.about-text .lead {
  font-size: 19px;
  line-height: 1.6;
  color: var(--c-text);
  margin-top: 0;
}
.about-text p {
  color: var(--c-text-soft);
  margin: 0 0 16px;
}
.about-text strong { color: var(--c-navy); }

.about-features {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
@media (min-width: 500px) {
  .about-features { grid-template-columns: 1fr 1fr; }
}
.about-features li {
  background: var(--c-bg-cream);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.about-features li:hover {
  transform: translateY(-4px);
  border-color: var(--c-gold);
  box-shadow: var(--shadow);
}
.feat-icon {
  display: inline-block;
  font-size: 28px;
  margin-bottom: 10px;
}
.about-features h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--c-navy);
  margin: 0 0 6px;
}
.about-features p {
  font-size: 14px;
  color: var(--c-text-muted);
  margin: 0;
  line-height: 1.5;
}

/* ========== STUDIES CALLOUT ========== */
.section-studies { background: var(--c-bg-soft); padding-top: 60px; padding-bottom: 60px; }
.studies-card {
  background: linear-gradient(135deg, var(--c-navy-deep) 0%, var(--c-navy-soft) 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 40px 28px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
@media (min-width: 768px) {
  .studies-card { padding: 56px 56px; }
}
.studies-card::before {
  content: "";
  position: absolute;
  top: -100px; right: -100px;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 169, 106, 0.2), transparent 70%);
}
.studies-tag {
  display: inline-block;
  background: var(--c-gold);
  color: var(--c-navy-deep);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 20px;
}
.studies-card h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  margin: 0 0 12px;
  position: relative;
}
.studies-headline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(20px, 3.5vw, 28px);
  color: var(--c-gold-light);
  margin: 0 0 20px;
  position: relative;
}
.studies-card p {
  color: rgba(255,255,255,0.85);
  margin: 0 0 20px;
  max-width: 760px;
  position: relative;
}
.studies-card strong { color: #fff; }
.studies-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  position: relative;
}
@media (min-width: 600px) {
  .studies-points { grid-template-columns: 1fr 1fr; gap: 12px 24px; }
}
.studies-points li {
  position: relative;
  padding-left: 28px;
  color: rgba(255,255,255,0.92);
  font-size: 15px;
}
.studies-points li::before {
  content: "✓";
  position: absolute;
  left: 0; top: 0;
  width: 20px; height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  background: var(--c-gold);
  color: var(--c-navy-deep);
  border-radius: 50%;
}

/* ========== PROGRAM (TALKS) ========== */
.section-program { background: var(--c-bg); }
.program-list {
  list-style: none;
  counter-reset: talk;
  margin: 0;
  padding: 0;
  max-width: 960px;
  margin: 0 auto;
}
.talk {
  border-bottom: 1px solid var(--c-border);
}
.talk:first-child { border-top: 1px solid var(--c-border); }
.talk-toggle {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 24px 0;
  text-align: left;
  transition: padding 0.2s;
}
.talk-toggle:hover { padding-left: 8px; }
.talk-num {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-gold);
  flex-shrink: 0;
  width: 44px;
}
.talk-body { flex: 1; }
.talk-speaker {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-blue);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: 6px;
}
.talk-title {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 600;
  color: var(--c-navy);
  line-height: 1.3;
}
.talk-icon {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--c-bg-soft);
  position: relative;
  transition: background 0.2s, transform 0.3s;
}
.talk-icon::before, .talk-icon::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  background: var(--c-navy);
  transition: transform 0.3s, opacity 0.3s;
}
.talk-icon::before {
  width: 12px; height: 2px;
  transform: translate(-50%, -50%);
}
.talk-icon::after {
  width: 2px; height: 12px;
  transform: translate(-50%, -50%);
}
.talk-toggle[aria-expanded="true"] .talk-icon {
  background: var(--c-navy);
}
.talk-toggle[aria-expanded="true"] .talk-icon::before,
.talk-toggle[aria-expanded="true"] .talk-icon::after { background: #fff; }
.talk-toggle[aria-expanded="true"] .talk-icon::after { opacity: 0; transform: translate(-50%, -50%) rotate(90deg); }

.talk-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.talk-panel-inner {
  padding: 0 0 28px 60px;
}
.talk-panel.open { max-height: 2000px; }
.talk-panel p {
  color: var(--c-text-soft);
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.7;
  padding-left: 60px;
  padding-right: 16px;
  max-width: 820px;
}
.talk-panel p:first-child { padding-top: 4px; }
.talk-panel p:last-child { padding-bottom: 24px; }

/* ========== SPEAKERS ========== */
.section-speakers { background: var(--c-bg-cream); }
.speakers-grid {
  display: grid;
  gap: 20px;
}
@media (min-width: 600px) { .speakers-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1000px) { .speakers-grid { grid-template-columns: repeat(3, 1fr); } }

.speaker-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-border-soft);
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  min-height: 380px;
}
.speaker-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--c-gold);
}
.speaker-toggle {
  width: 100%;
  text-align: left;
  padding: 0;
  display: block;
}
.speaker-toggle img,
.speaker-img-fallback {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: center 22%;
  background: linear-gradient(135deg, var(--c-navy) 0%, var(--c-blue) 100%);
  display: block;
}
.speaker-toggle img[src*="kotowski"]    { object-position: center 12%; }
.speaker-toggle img[src*="gmiterek"]    { object-position: center 18%; }
.speaker-toggle img[src*="batko"]       { object-position: center 15%; }
.speaker-toggle img[src*="folga"]       { object-position: center 28%; }
.speaker-toggle img[src*="manista"]     { object-position: center 18%; }
.speaker-toggle img[src*="kowalski"]    { object-position: center 25%; }
.speaker-toggle img[src*="roszkowski"]  { object-position: center 35%; }
.speaker-toggle img[src*="gorajec"]     { object-position: center 22%; }
.speaker-toggle img[src*="klebek"]      { object-position: center 35%; }
.speaker-toggle img[src*="wlodarczyk"]  { object-position: center 35%; }
.speaker-toggle img[src*="kuzmina"]     { object-position: center 28%; }
.speaker-img-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 64px;
  font-weight: 700;
  color: rgba(255,255,255,0.4);
  letter-spacing: 4px;
}
.speaker-info {
  padding: 20px 22px;
}
.speaker-info h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 700;
  color: var(--c-navy);
  margin: 0 0 6px;
  line-height: 1.25;
}
.speaker-role {
  font-size: 13px;
  color: var(--c-text-muted);
  margin: 0 0 14px;
  line-height: 1.4;
}
.speaker-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--c-blue);
  letter-spacing: 0.5px;
}
.speaker-more span {
  width: 22px; height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg-soft);
  border-radius: 50%;
  font-size: 14px;
  transition: transform 0.25s, background 0.2s;
}
.speaker-toggle[aria-expanded="true"] .speaker-more span {
  transform: rotate(45deg);
  background: var(--c-gold);
  color: var(--c-navy);
}

.speaker-bio {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  padding: 0 22px;
}
.speaker-bio.open {
  max-height: 1500px;
}
.speaker-bio p {
  color: var(--c-text-soft);
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 12px;
}
.speaker-bio p:first-child { padding-top: 4px; }
.speaker-bio p:last-child { padding-bottom: 22px; }

/* ========== COMMITTEE ========== */
.section-committee { background: var(--c-bg); }
.committee-grid {
  display: grid;
  gap: 32px;
  max-width: 900px;
  margin: 0 auto;
}
@media (min-width: 700px) {
  .committee-grid { grid-template-columns: 1.4fr 1fr; gap: 40px; }
}
.committee-block {
  background: var(--c-bg-cream);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  border-left: 4px solid var(--c-gold);
}
.committee-block h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-navy);
  margin: 0 0 20px;
  position: relative;
}
.committee-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.committee-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--c-border-soft);
  color: var(--c-text);
  font-size: 15px;
}
.committee-list li:last-child { border-bottom: none; }

/* ========== REGISTER ========== */
.section-register { background: var(--c-bg-soft); }
.register-box {
  max-width: 880px;
  margin: 0 auto;
}
.register-box iframe {
  width: 100%;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow);
  display: block;
}
.register-fallback {
  margin: 18px auto 0;
  text-align: center;
  font-size: 14px;
  color: var(--c-text-muted);
}
.register-fallback a {
  font-weight: 600;
}
.register-placeholder {
  background: #fff;
  border: 2px dashed var(--c-border);
  border-radius: var(--radius-lg);
  padding: 60px 32px;
  text-align: center;
}
.register-placeholder-icon {
  font-size: 56px;
  margin-bottom: 16px;
}
.register-placeholder h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--c-navy);
  margin: 0 0 12px;
}
.register-placeholder p {
  color: var(--c-text-soft);
  margin: 0 0 24px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== PARTNERS ========== */
.section-partners { background: var(--c-bg); }
.partners-block {
  margin-bottom: 48px;
}
.partners-block:last-child { margin-bottom: 0; }
.partners-heading {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--c-text-muted);
  text-align: center;
  margin: 0 0 24px;
  position: relative;
}
.partners-heading::before, .partners-heading::after {
  content: "";
  display: inline-block;
  width: 60px; height: 1px;
  background: var(--c-border);
  vertical-align: middle;
  margin: 0 16px;
}
.partners-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.partners-row > .partner {
  flex: 1 1 240px;
  max-width: 300px;
}

.partner {
  background: var(--c-bg-cream);
  border: 1px solid var(--c-border-soft);
  border-radius: var(--radius);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-height: 160px;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  color: inherit;
  text-decoration: none;
  position: relative;
}
a.partner:hover {
  transform: translateY(-3px);
  border-color: var(--c-gold);
  box-shadow: var(--shadow);
  color: inherit;
}
a.partner::after {
  content: "↗";
  position: absolute;
  top: 10px;
  right: 12px;
  font-size: 14px;
  color: var(--c-text-muted);
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
}
a.partner:hover::after {
  opacity: 1;
  color: var(--c-blue);
  transform: translate(2px, -2px);
}
div.partner:hover {
  transform: translateY(-2px);
  border-color: var(--c-blue-light);
  box-shadow: var(--shadow-sm);
}
.partner img {
  max-height: 70px;
  width: auto;
  margin-bottom: 16px;
  object-fit: contain;
}
.partner span, .partner strong {
  font-size: 13px;
  color: var(--c-text-soft);
  line-height: 1.4;
}
.partner span em {
  display: inline-block;
  margin-top: 4px;
  font-size: 11px;
  font-style: normal;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--c-gold);
  font-weight: 600;
}
.partner strong {
  color: var(--c-navy);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  display: block;
}
.partner-text {
  background: linear-gradient(135deg, var(--c-bg-cream), #fff);
  border-color: var(--c-gold-light);
}
.partner-pending {
  opacity: 0.75;
  border-style: dashed;
}
.partner-pending-icon {
  font-size: 32px;
  margin-bottom: 10px;
}
.partner-sponsor {
  background: linear-gradient(135deg, #fff, var(--c-bg-cream));
  border: 2px solid var(--c-gold);
  min-height: 200px;
}
.partners-row > .partner-sponsor {
  flex: 0 1 380px;
  max-width: 380px;
}
.partner-sponsor img { max-height: 80px; }

/* ========== LOCATION ========== */
.section-location { background: var(--c-bg-cream); }
.location-grid {
  display: grid;
  gap: 32px;
}
@media (min-width: 900px) {
  .location-grid { grid-template-columns: 1fr 1.3fr; align-items: start; }
}
.location-info h3 {
  font-family: var(--font-serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-blue);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin: 0 0 8px;
}
.location-info > div { margin-bottom: 28px; }
.location-info p, .location-info ul {
  margin: 0;
  color: var(--c-text);
  font-size: 17px;
  line-height: 1.55;
}
.location-info ul {
  list-style: none;
  padding: 0;
  font-size: 15px;
}
.location-info ul li {
  padding: 6px 0;
  color: var(--c-text-soft);
}
.location-info ul li strong { color: var(--c-navy); }
.location-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: var(--c-bg);
}
.location-map iframe {
  width: 100%;
  height: 360px;
  border: 0;
  display: block;
}
.map-link {
  display: block;
  padding: 10px 16px;
  background: #fff;
  font-size: 13px;
  font-weight: 600;
  text-align: center;
  color: var(--c-blue);
  border-top: 1px solid var(--c-border);
}

/* ========== CONTACT ========== */
.section-contact { background: var(--c-navy-deep); color: #fff; }
.section-contact .section-eyebrow { color: var(--c-gold-light); }
.contact-card {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
  padding: 0 16px;
}
.contact-card h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  color: #fff;
  margin: 8px 0 12px;
}
.contact-card p {
  color: rgba(255,255,255,0.75);
  margin: 0;
  font-size: 17px;
}
.contact-mail {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: clamp(22px, 4vw, 36px);
  font-weight: 700;
  color: var(--c-gold-light);
  padding: 16px 32px;
  border: 2px solid var(--c-gold);
  border-radius: 100px;
  transition: background 0.2s, color 0.2s;
}
.contact-mail:hover {
  background: var(--c-gold);
  color: var(--c-navy-deep);
}

/* ========== FOOTER ========== */
.site-footer {
  background: #06121f;
  color: rgba(255,255,255,0.75);
  padding: 48px 0 24px;
}
.footer-inner {
  display: grid;
  gap: 24px;
  text-align: center;
}
@media (min-width: 700px) {
  .footer-inner { grid-template-columns: 1fr 1fr; text-align: left; align-items: center; }
}
.footer-brand img {
  height: 44px;
  width: auto;
  margin: 0 auto 12px;
  filter: brightness(0) invert(1);
  opacity: 0.9;
}
@media (min-width: 700px) {
  .footer-brand img { margin: 0 0 12px; }
}
.footer-brand p {
  margin: 0;
  font-size: 14px;
}
.footer-meta {
  font-size: 14px;
}
@media (min-width: 700px) {
  .footer-meta { text-align: right; }
}
.footer-meta p { margin: 0 0 4px; }
.footer-meta strong { color: var(--c-gold-light); }
.footer-meta a { color: var(--c-gold-light); }
.footer-bottom {
  grid-column: 1 / -1;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  margin: 16px 0 0;
  text-align: center;
}

/* ========== BACK TO TOP ========== */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: var(--c-navy);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.25s, transform 0.25s, visibility 0.25s, background 0.2s;
  z-index: 50;
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--c-blue);
  color: #fff;
}